html,
body {
    height: 100%;
}

body {
    /* background-color: skyblue; */
    background: linear-gradient(135deg, #000000 0%, #ffffff 100%);
}

#logo {
    margin: 20px 0 0 240px;
}

.box {
    width: 400px;
    height: 310px;
    /* background-color: #ffce44; */
    background: linear-gradient(135deg, #eea113 0%, #23f5e3 100%);
    /* box-shadow: 5px 5px 5px 1px red; */
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.3), 0 0 40px rgba(0, 0, 0, 0.1) inset;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

h1 {
    height: 60px;
    text-align: center;
    line-height: 60px;
}

form {
    margin: 0 25px;
}

a {
    float: right;
}

.layui-form-item {
    position: relative;
}

.layui-icon {
    position: absolute;
    left: 10px;
    top: 9px;
}

.layui-input {
    padding-left: 30px;
}

.register {
    display: none;
}